title: Cryoelectron microscopy of mouse mammary tumor virus.
mesh_terms: D002460:Cell Line; D002462:Cell Membrane / Q000648:ultrastructure / Q000821:virology; D020285:Cryoelectron Microscopy; D015497:HIV-1 / Q000737:chemistry / Q000254:growth & development; D008324:Mammary Tumor Virus, Mouse / Q000737:chemistry / Q000254:growth & development / Q000648:ultrastructure*; D014771:Virion / Q000737:chemistry / Q000254:growth & development / Q000648:ultrastructure; D019065:Virus Assembly